A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
NSN 5985-01-243-6479
NSN 6645-01-083-4759
NSN 6240-01-102-4861
NSN 5975-00-525-2331
NSN 5895-01-350-1799
NSN 5985-01-145-4673
NSN 6620-01-299-8949
NSN 5965-00-578-8931
NSN 6685-01-126-0446
NSN 6150-01-120-0243
NSN 6685-01-605-3617
NSN 6685-01-462-6771